Sweet Potato and Broccoli Soup with Kelp Flakes

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I had gum surgery the other day so have been eating a fair amount of this soup. It’s no hardship though, because I’m completely in love with it. The soup is smooth, full of flavor and goodness, and it’s just as satisfying served warm or cold. I’m not eating hot things but it will be amazing when piping hot in a bowl large enough for me to wrap my hands around to warm them up.

The addition of kelp helps to support the immune system and is known to reduce inflammation. Along with other sea vegetables, it is also highly nutrient dense, which is why Dr. Sarah Ballantyne suggests we eat them at least once a week.

Try and add the broccoli sprouts if you can. They contain a chemical called sulforaphane, a highly potent antioxidant and detoxifier. They’re also tasty, as well as prettying up your bowl! We sprout our own broccoli seeds as they work out far cheaper and way fresher. Plus it means we have a constant supply to munch on. Finally, before I dive in I like to stir in a scoopful of collagen for gut (and gum) health!

4.0 from 1 reviews
Sweet Potato and Broccoli Soup with Kelp Flakes
Prep time
Cook time
Total time
Serves: 6
  • 2 tbsp lard
  • 1 large onion, thinly sliced
  • 1¼-lb white sweet potato (1 large), peeled and cubed
  • 2 cups chicken bone broth
  • 2 cups filtered water
  • ¾ lb broccoli (including stalks)
  • Generous pinch sea salt
  • 1 tbsp kelp flakes + more to garnish
  • Handful broccoli sprouts
  1. Heat the lard in a large saucepan and add the onion. Gently sweat the onion for 6-8 minutes until softened.
  2. Now add the sweet potato, broth and water, together with a small pinch of salt. Simmer for 8 mins until nearly tender.
  3. Add the broccoli, bring the contents of the pan back up to a simmer, and cook another 10-12 minutes until tender.
  4. Transfer the soup to a blender, along with 1 tbsp of kelp flakes and purée. You may need to do this in two or three batches. Taste the soup and stir in more salt if needed.
  5. Ladle into bowls. Garnish with a handful of broccoli sprouts and another sprinkle of kelp flakes.
  6. Serve.


About Kate Jay

Kate Jay, NTP, RWP, CGP and AIP Certified Coach, has been blogging at Healing Family Eats, since June 2014. Diagnosed years ago as hypothyroid, she and her family were already following the GAPS diet for digestive issues when Kate noticed swelling consistent with RA. She set up her AIP food blog as motivation for making the restricted diet as exciting as possible for her children, who felt they missed out on the junk their friends took to school. Originally a classically trained chef, who freelanced with popular food magazines in the UK, she is now passionate about helping her clients heal using a combination of her holistic training, lab work and real food as medicine. She focuses on creating simple, nutritionally dense and balanced family meals, without compromising on flavour. Find her also on FacebookPinterestTwitter and Instagram.


  • […] Finally, a few cups of bone broth, together with a scoopful of collagen stirred in before serving is a sure fire way of ingesting extra minerals. All important for gut (and gum) health! You can find the recipe here at Autoimmune Wellness. […]

  • […] Sweet Potato Broccoli Soup with Kelp Flakes from Autoimmune Wellness *Kate shares this nutrient-rich soup that helped with surgery recovery. […]

  • Lauren says

    Does this freeze well?

  • Stephie says

    Hi ladies,

    thanks for sharing this beautiful immune-boosting recipe. At Richer Health, we give nutritional advise based on the Gerson Therapy. We used your recipe as inspiration to create our own, adapted and plant-based version.

    We love your picture and hoped you would allow us to share this? Off course, we would add your credits.

    Thank you for getting back to us.
    In health,

    • Mickey Trescott says

      Hi Stephie,
      Thanks for asking, but we don’t allow our content or photos to be shared on other websites. Also, isn’t it a little misleading to use a photo that isn’t of the actual recipe you are promoting?

  • Lori says

    Can I use orange sweet potatoes?

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